postback获取不到下一页有好的解决办法吗？

fengzishan

群主求教，postback获取不到下一页有好的解决办法吗？

fengzishan

补充下，爬取的网站上面有个<A id=LinkBtnNext href="javascript:__doPostBack('LinkBtnNext','')">下一页</A>，原来的时候可以正常读取，更新后，获取首页之后不能跳转到下一页了

fengzishan

可以有偿解决问题的也可以，请联系！

站长苏飞

你这个跳转是怎么执行的，单击还是程序执行。抓到包直接模拟提交试试

fengzishan

public string GetPageList(string cookieStr, int page)
    {
        string str = "http://" + this.host + "/kssjwpt/MasterPage/JBXX_NEW.aspx?Id=&JSH=&XM=&XB=&BM=&ZJH=&RSXZ=&NL_ST=&NL_ED=&ZZ=&BAHJ=&BADW=&CSRQ_ST=&CSRQ_ED=&SYDW=&RSRQ_ST=&RSRQ_ED=&CSSJ_ST=&CSSJ_ED=&HJD=&AY=&CSYY=&DAWZ=&DWLX=&Faint=Yes&ZSZT=1&type=Ser";
        int num = 10;
        int num2 = ((page - 1) * num) + 1;
        int num3 = num2 + 9;
        HttpHelper helper = new HttpHelper();
        HttpItem item = new HttpItem
        {
            Method = "Get",
            URL = str,
            Postdata = $"__EVENTTARGET=LinkBtnNext&__EVENTARGUMENT=&__VIEWSTATE=%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%2BWjq%2BWGm2RkAgMPDxYCHwsFA%2BeUt2RkAgQPDxYCHwsFCjE5NzMtMDctMjlkZAIFDw8WAh8LBQQwMTExZGQCBg8PFgIfCwUKMjAxNy0xMS0xN2RkAgcPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAggPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAgkPZBYCZg8VAQzmnKrlhrPkurrlkZhkAgoPDxYCHwsFJ%2BiOmOWOv%2BWFrOWuieWxgOWIkeitpuWkp%2BmYn%2BWfjuWFs%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%2FlhazlronlsYDliJHorablpKfpmJ%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%2BS6uuWRmGQCCg8PFgIfCwUk6I6Y5Y6%2F5YWs5a6J5bGA5Y2B5YWr6YeM6ZO65rS%2B5Ye65omAZGQCBA8PZBYKHwYFFHNob3dKQlhYRGV0YWlsKHRoaXMpHwcFI3F1ZXJ5U3ViKHRoaXMpO21vZGlmeVJvd0NvbG9yKHRoaXMpHwgFC2N1cnNvcjpoYW5kHwkFD2NoZWNrT3Zlcih0aGlzKR8KBQ5jaGVja091dCh0aGlzKRYWZg9kFhACAQ8PFgIfCwUIMjAxNzA2OTlkZAIDDw8WAh8LBRUzNzE1MjIxMTEyMDE3MTExNjAwMDFkZAIFDw8WAh8LBQIxMWRkAgcPDxYCHwsFATBkZAIJDw8WAh8LZWRkAgsPDxYCHwtlZGQCDQ8PFgIfCwUKMTExMTExMTExMWRkAg8PDxYCHwsFATBkZAIBDw8WAh8LBQgyMDE3MDY5OWRkAgIPDxYCHwsFCemDkemVh%2BS6rmRkAgMPDxYCHwsFA%2BeUt2RkAgQPDxYCHwsFCjE5OTAtMTAtMDNkZAIFDw8WAh8LBQQwMTEwZGQCBg8PFgIfCwUKMjAxNy0xMS0xNmRkAgcPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAggPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAgkPZBYCZg8VAQzmnKrlhrPkurrlkZhkAgoPDxYCHwsFKuiOmOWOv%2BWFrOWuieWxgOaJk%2BWHu%2BeKr%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%2FlhazlronlsYDnjovlpYnmtL7lh7rmiYBkZAIGDw9kFgofBgUUc2hvd0pCWFhEZXRhaWwodGhpcykfBwUjcXVlcnlTdWIodGhpcyk7bW9kaWZ5Um93Q29sb3IodGhpcykfCAULY3Vyc29yOmhhbmQfCQUPY2hlY2tPdmVyKHRoaXMpHwoFDmNoZWNrT3V0KHRoaXMpFhZmD2QWEAIBDw8WAh8LBQgyMDE3MDY5OGRkAgMPDxYCHwsFFTM3MTUyMjExMTIwMTcxMTE1MDAwMmRkAgUPDxYCHwsFAjExZGQCBw8PFgIfCwUBMGRkAgkPDxYCHwtlZGQCCw8PFgIfC2VkZAINDw8WAh8LBQoxMTExMTExMTExZGQCDw8PFgIfCwUBMGRkAgEPDxYCHwsFCTIwMTcwMDY5OGRkAgIPDxYCHwsFCeeOi%2BWjq%2Be6omRkAgMPDxYCHwsFA%2BeUt2RkAgQPDxYCHwsFCjE5NzItMDQtMDhkZAIFDw8WAh8LBQQwMTEwZGQCBg8PFgIfCwUKMjAxNy0xMS0xNWRkAgcPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAggPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAgkPZBYCZg8VAQzmnKrlhrPkurrlkZhkAgoPDxYCHwsFKuiOmOWOv%2BWFrOWuieWxgOWIkeitpuWkp%2BmYn%2Baoseahg%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%2FkuqTorablpKfpmJ9kZAIIDw9kFgofBgUUc2hvd0pCWFhEZXRhaWwodGhpcykfBwUjcXVlcnlTdWIodGhpcyk7bW9kaWZ5Um93Q29sb3IodGhpcykfCAULY3Vyc29yOmhhbmQfCQUPY2hlY2tPdmVyKHRoaXMpHwoFDmNoZWNrT3V0KHRoaXMpFhZmD2QWEAIBDw8WAh8LBQgyMDE3MDY5M2RkAgMPDxYCHwsFFTM3MTUyMjExMTIwMTcxMTEzMDAwMWRkAgUPDxYCHwsFAjExZGQCBw8PFgIfCwUBMGRkAgkPDxYCHwsFAzEwMmRkAgsPDxYCHwtlZGQCDQ8PFgIfCwUKMTExMTExMTExMWRkAg8PDxYCHwsFATBkZAIBDw8WAh8LBQgyMDE3MDY5M2RkAgIPDxYCHwsFCeW8oOWLpOiLsWRkAgMPDxYCHwsFA%2BeUt2RkAgQPDxYCHwsFCjE5NjktMDktMDhkZAIFDw8WAh8LBQQwMTE4ZGQCBg8PFgIfCwUKMjAxNy0xMS0xM2RkAgcPDxYCHwsFBumAruaNlWRkAggPDxYCHwsFBuS4gOWuoWRkAgkPZBYCZg8VAQzmnKrlhrPkurrlkZhkAgoPDxYCHwsFEuiOmOWOv%2BS6pOitpuWkp%2BmYn2RkAgkPD2QWCh8GBRRzaG93SkJYWERldGFpbCh0aGlzKR8HBSNxdWVyeVN1Yih0aGlzKTttb2RpZnlSb3dDb2xvcih0aGlzKR8IBQtjdXJzb3I6aGFuZB8JBQ9jaGVja092ZXIodGhpcykfCgUOY2hlY2tPdXQodGhpcykWFmYPZBYQAgEPDxYCHwsFCDIwMTcwNjk0ZGQCAw8PFgIfCwUVMzcxNTIyMTExMjAxNzExMTMwMDAyZGQCBQ8PFgIfCwUCMTFkZAIHDw8WAh8LBQE2ZGQCCQ8PFgIfC2VkZAILDw8WAh8LZWRkAg0PDxYCHwsFCjExMTExMTExMTFkZAIPDw8WAh8LBQEwZGQCAQ8PFgIfCwUIMjAxNzA2OTRkZAICDw8WAh8LBQnpu4Tnpo%2FmtbdkZAIDDw8WAh8LBQPnlLdkZAIEDw8WAh8LBQoxOTUxLTA2LTE1ZGQCBQ8PFgIfCwUEMDExMGRkAgYPDxYCHwsFCjIwMTctMTEtMTNkZAIHDw8WAh8LBQzliJHkuovmi5jnlZlkZAIIDw8WAh8LBQzliJHkuovmi5jnlZlkZAIJD2QWAmYPFQEM5pyq5Yaz5Lq65ZGYZAIKDw8WAh8LBSfojpjljr%2FlhazlronlsYDliJHorablpKfpmJ%2Fln47lhbPkuK3pmJ9kZAIKDw9kFgofBgUUc2hvd0pCWFhEZXRhaWwodGhpcykfBwUjcXVlcnlTdWIodGhpcyk7bW9kaWZ5Um93Q29sb3IodGhpcykfCAULY3Vyc29yOmhhbmQfCQUPY2hlY2tPdmVyKHRoaXMpHwoFDmNoZWNrT3V0KHRoaXMpFhZmD2QWEAIBDw8WAh8LBQgyMDE3MDY5MWRkAgMPDxYCHwsFFTM3MTUyMjExMTIwMTcxMTEwMDAwNGRkAgUPDxYCHwsFAjExZGQCBw8PFgIfCwUBMGRkAgkPDxYCHwtlZGQCCw8PFgIfC2VkZAINDw8WAh8LBQoxMTExMTExMTExZGQCDw8PFgIfCwUBMGRkAgEPDxYCHwsFCTIwMTcwMDAwMWRkAgIPDxYCHwsFCeW9reemj%2BWGjWRkAgMPDxYCHwsFA%2BeUt2RkAgQPDxYCHwsFCjE5ODgtMDItMTdkZAIFDw8WAh8LBQQwMTA0ZGQCBg8PFgIfCwUKMjAxNy0xMS0xMGRkAgcPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAggPDxYCHwsFDOWIkeS6i%2BaLmOeVmWRkAgkPZBYCZg8VAQzmnKrlhrPkurrlkZhkAgoPDxYCHwsFJ%2BiOmOWOv%2BWFrOWuieWxgOWIkeitpuWkp%2BmYn%2BWfjuWMuuS4remYn2RkAgsPDxYCHgdWaXNpYmxlaGRkAgwPDxYCHwxoZGQCEQ9kFgJmD2QWAmYPZBYGAgEPDxYCHwsFATFkZAIDDw8WAh8LBQIyMmRkAgUPDxYCHwsFAzIxM2RkGAEFCUdyaWRWaWV3MQ88KwAKAQgCAWSKPMYdyGZCTWkqrWGxkOJXEr8T%2Bg%3D%3D&__EVENTVALIDATION=%2FwEWDQKG3vaxDQKl%2FpqeAwKropaOAwLjvvOnCAKd6tSMBwKv5s%2BMDALMhPiFBgKa7byuAgLDtNuKCwLKwoiiBgKn8Ij2BAKj8MT2AwK%2B7%2BbtDNOPWPCuzlpgvoL1L35M45ugGOFH&ystart={num2}&yend={num3}&allnums=&txtJBXXSQL=&txtEntireCount=&txtType=&txtPageSize=20",
            Cookie = cookieStr,
            Accept = "image/jpeg, image/gif, image/pjpeg, application/x-ms-application, application/xaml+xml, application/x-ms-xbap, *",
            Referer = "http://" + this.host + "/kssjwpt/MasterPage/JBXX_NEW.aspx?Id=&JSH=&XM=&XB=&BM=&ZJH=&RSXZ=&NL_ST=&NL_ED=&ZZ=&BAHJ=&BADW=&CSRQ_ST=&CSRQ_ED=&SYDW=&RSRQ_ST=&RSRQ_ED=&CSSJ_ST=&CSSJ_ED=&HJD=&AY=&CSYY=&DAWZ=&DWLX=&Faint=Yes&ZSZT=1&type=Ser",
            UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)",
            ContentType = "application/x-www-form-urlencoded",
            Host = this.host,
            KeepAlive = true
        };
        item.Header.Add("Accept-Language", "zh-CN");
        item.Header.Add("Accept-Encoding", "gzip, deflate");
        item.Header.Add("Pragma", "no-cache");
        return helper.GetHtml(item).Html;
    }

fengzishan

站长可否帮忙解决下，可以付费，客户比较急

站长苏飞

咋解决，没包，没链接的，你好歹发个链接让大家看看

fengzishan

已经解决了，我这个是内网不好发链接出来